CN210840445U

CN210840445U - Dampproofing dirt-proof SVG room cooling system

Info

Publication number: CN210840445U
Application number: CN201920522855.9U
Authority: CN
Inventors: 钱准立; 刘世富; 张超; 巩秀中; 张玉成; 陈秀斌
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-06-23
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a damp-proof and dustproof SVG room heat dissipation system, wherein the SVG room is a closed room, an air-water cooling device is arranged outside the SVG room, and the top of the SVG device is provided with a fan; one end of the hot air duct penetrates through the wall of the SVG chamber to be connected with the fan, and the other end of the hot air duct is connected with an air inlet of the air-water cooling device; one end of the cold air duct is connected with an air outlet of the air-water cooling device, and the other end of the cold air duct is connected with the SVG chamber. In the application, the seal design of the SVG chamber and the air-cooling water cooling equipment are arranged outside the SVG chamber, so that the external dust is prevented from entering the interior of the SVG chamber, a dustproof effect is achieved, the problem that moist steam in a common heat dissipation system of the SVG enters the SVG chamber through an air inlet window to cause insulation damage of power unit parts in the SVG chamber is fundamentally solved, water leakage when leakage or breakage of a cooling water pipeline is prevented to endanger the operation safety of high-voltage equipment, the occurrence of serious safety accidents is avoided, the operation reliability of the SVG is effectively improved, and the operation cost is reduced.

Description

Dampproofing dirt-proof SVG room cooling system

Technical Field

The utility model relates to a SVG room heat dissipation field, specifically say, relate to a dampproofing dirt-proof SVG room cooling system.

Background

Because the indoor power electronic power device of SVG can generate heat at normal operating in-process, and these heats all scatter and disappear inside the SVG room again, finally make the indoor temperature of SVG rise to produce overheat protection, automatic tripping phenomenon appears. The heat dissipation mode in SVG room at present adopts the mode that sets up air inlet window and air-out window in SVG room for the overwhelming majority, utilize the forced air cooling to realize the heat dissipation, but it has a large amount of aqueous vapor to carry secretly to enter into the indoor air of SVG from the air intake, especially more at the rainwater, under the moist environment of weather, it is indoor to have a large amount of moist aqueous vapor to enter into SVG, lead to power board and power semiconductor module among the SVG power unit to insulate impaired, thereby cause the SVG fault to shut down, consequently, it is necessary to improve and optimize current SVG room cooling system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, the radiating effect is good, dampproofing dirt-proof SVG room cooling system.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a dampproofing dirt-proof SVG room cooling system, includes SVG room and empty-water cooling equipment, empty-water cooling equipment has air intake and air outlet, the indoor SVG equipment that sets up at least of SVG, its characterized in that: the device also comprises a hot air duct and a cold air duct; the SVG chamber is a closed chamber, the air-water cooling equipment is arranged outside the SVG chamber, and the top of the SVG equipment is provided with a fan; one end of the hot air duct penetrates through the wall of the SVG chamber and is connected with the fan, and the other end of the hot air duct is connected with an air inlet of air-water cooling equipment; one end of the cold air duct is connected with an air outlet of the air-water cooling device, and the other end of the cold air duct is connected with the SVG chamber.

Preferably, the fan is a centrifugal fan.

Preferably, the joints of the hot air duct and the cold air duct and the wall of the SVG chamber are sealed.

Preferably, the air-water cooling equipment comprises a cooling tower, a water inlet pipeline and a water outlet pipeline, wherein the water inlet pipeline and the water outlet pipeline are both connected with the cooling tower, and a water drain valve, an automatic exhaust valve, a bimetallic thermometer and a turbine butterfly valve are sequentially arranged on the water inlet pipeline according to the water conveying direction; and the water outlet pipeline is sequentially provided with a Y-shaped water filter, a water pump, a second turbine butterfly valve, a spring pressure gauge, a water flow switch and an electronic water treatment instrument according to the water outlet direction.

Preferably, the cooling tower is further connected with a water replenishing pipeline and a sewage draining pipeline.

Preferably, a bypass is arranged at the section of the pipeline where the water pump and the second turbine butterfly valve are located, the water pump and the second turbine butterfly valve are also installed on the bypass, and the water pump is in soft connection with the second turbine butterfly valve.

Compared with the prior art, the utility model, have following advantage and effect:

1. hot air generated by the SVG equipment is directly discharged into air-cold water cooling equipment through a hot air pipe for heat exchange, cold water directly takes away heat in the hot air, and cooled cold air is discharged back into the SVG chamber through a cold air duct to realize heat dissipation of the SVG chamber;

2. the air-cooling water equipment can ensure that the ambient temperature in the SVG room is controlled in a reasonable range after hot air passes through the radiating fins by low-temperature cold water, so that the requirement of the SVG equipment on the environmental operation is met, and the good operating environment in the SVG room is ensured;

3. the closed design of the SVG chamber and the installation of the air-cold water cooling equipment in the outside of the SVG chamber prevent external dust from entering the chamber, play a dustproof effect, fundamentally solve the problem that moist steam in a common cooling system of the SVG enters the SVG chamber through an air inlet window to cause insulation damage of power unit components in the SVG, prevent water leakage when a cooling water pipeline leaks or breaks and leaks to endanger the operation safety of high-voltage equipment, avoid the occurrence of serious safety accidents, effectively improve the operation reliability of the SVG and reduce the operation cost.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the air-water cooling device in the embodiment of the present invention.

Description of reference numerals:

an SVG device 1; a hot air duct 2; a fan 3; an air-water cooling device 4; a cold air duct 5; an SVG chamber 6;

a cooling tower 41; a drain valve 42; an automatic exhaust valve 43; a bimetallic thermometer 44; a first turbine butterfly valve 45; a Y-water filter 46; a water pump 47; a water pump is in soft connection 48; a second turbine butterfly valve 49; a spring pressure gauge 410; a water flow switch 411; an electronic water treatment instrument 412;

a water inlet pipeline a; a water outlet pipeline b; a water replenishing pipeline c; and a sewage discharge pipeline d.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

See fig. 1-2.

The embodiment is a damp-proof and dustproof SVG room heat dissipation system, which comprises an SVG room 6, an air-water cooling device 4, a hot air duct 2 and a cold air duct 5. The air-water cooling device 4 is provided with an air inlet and an air outlet, and an SVG device 1 is arranged in the SVG chamber 6.

In this embodiment, the air-water cooling device 4 is disposed outside the SVG chamber 6, the top of the SVG device 1 is provided with the fan 3, and the fan 3 is a centrifugal fan. One end of the hot air duct 2 penetrates through the wall of the SVG chamber 6 to be connected with the fan 3, and the other end of the hot air duct 2 is connected with an air inlet of the air-water cooling device 4. One end of the cold air duct 5 is connected with an air outlet of the air-water cooling device 4, and the other end of the cold air duct 5 is connected with the SVG chamber 6. Hot air generated by the SVG equipment 1 enters the air-water cooling equipment 4 through the fan 3 and the hot air duct 2 for heat exchange, the cold water directly takes away heat in the hot air, and the cold air is changed into cold air after being cooled and is discharged back to the SVG chamber 6 through the cold air duct 5, so that the heat dissipation of the SVG chamber 6 is realized.

In this embodiment, SVG room 6 is the sealed room, and hot-blast main 2 and cold wind channel 5 all seal with SVG room 6's room wall junction, and it is indoor to have prevented that outside dust, outdoor aqueous vapor from getting into, greatly reduces indoor dust deposition, clean health, and SVG maintenance volume is low, extension SVG life.

In this embodiment, the air-water cooling device 4 includes a cooling tower 41, a water inlet pipeline a and a water outlet pipeline b, both the water inlet pipeline a and the water outlet pipeline b are connected with the cooling tower 41, and a water escape valve 42, an automatic exhaust valve 43, a bimetallic thermometer 44 and a first turbine butterfly valve 45 are sequentially installed on the water inlet pipeline a according to the water delivery direction; and the water outlet pipeline b is sequentially provided with a Y-shaped water filter 46, a water pump, a second turbine butterfly valve, a spring pressure gauge 410, a water flow switch 411 and an electronic water treatment instrument 412 according to the water outlet direction. The cooling tower 41 is also connected with a water replenishing pipeline c and a sewage draining pipeline d. A bypass is arranged at the section of the pipeline where the water pump and the second turbine butterfly valve are located, the bypass is also provided with a water pump 47 and a second turbine butterfly valve 49, and a water pump soft joint 48 is arranged between the water pump 47 and the second turbine butterfly valve 49.

In the embodiment, the air-water cooling device 4 is positioned outside the SVG, so that the high-voltage equipment is prevented from being endangered by water leakage when a cooling water pipeline leaks or breaks leakage, and serious safety accidents are avoided.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A dampproofing dirt-proof SVG room cooling system, includes SVG room (6) and empty-water cooling equipment (4), empty-water cooling equipment (4) have air intake and air outlet: the air-water cooling equipment (4) comprises a cooling tower (41), a water inlet pipeline (a) and a water outlet pipeline (b), wherein the water inlet pipeline (a) and the water outlet pipeline (b) are both connected with the cooling tower (41), and a water drain valve (42), an automatic exhaust valve (43), a bimetallic thermometer (44) and a first turbine butterfly valve (45) are sequentially arranged on the water inlet pipeline (a) according to the water conveying direction; the water outlet pipeline (b) is sequentially provided with a Y-shaped water filter (46), a water pump, a second turbine butterfly valve, a spring pressure gauge (410), a water flow switch (411) and an electronic water treatment instrument (412) according to the water outlet direction; SVG room (6) are interior to set up an SVG equipment (1) at least, its characterized in that: the hot air duct (2) and the cold air duct (5) are also included; the SVG chamber (6) is a closed chamber, the air-water cooling device (4) is arranged outside the SVG chamber (6), and the top of the SVG device (1) is provided with a fan (3); one end of the hot air duct (2) penetrates through the wall of the SVG chamber (6) to be connected with the fan (3), and the other end of the hot air duct (2) is connected with an air inlet of the air-water cooling device (4); one end of the cold air duct (5) is connected with an air outlet of the air-water cooling device (4), and the other end of the cold air duct (5) is connected with the SVG chamber (6).

2. The moisture-proof and dust-proof SVG room heat dissipation system of claim 1, characterized in that: the fan (3) is a centrifugal fan.

3. The moisture-proof and dust-proof SVG room heat dissipation system of claim 1, characterized in that: the hot air duct (2) and the cold air duct (5) are sealed at the connection part of the chamber wall of the SVG chamber (6).

4. The moisture-proof and dust-proof SVG room heat dissipation system of claim 1, characterized in that: the cooling tower (41) is also connected with a water replenishing pipeline (c) and a sewage draining pipeline (d).

5. The moisture-proof and dust-proof SVG room heat dissipation system of claim 1, characterized in that: a bypass is arranged at the section of the pipeline where the water pump and the second turbine butterfly valve are located, the bypass is also provided with a water pump (47) and a second turbine butterfly valve (49), and a water pump soft joint (48) is arranged between the water pump (47) and the second turbine butterfly valve (49).